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Finding the Fourth Proportional to 504,872.25, 696,722.78 and 275,429.55

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Solution

The fourth proportional to 504,872.25, 696,722.78 and 275,429.55 is: 380,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,872.25 : 696,722.78 = 275,429.55 : x
  2. Step 2: Convert to fraction form
    504,872.25/696,722.78 = 275,429.55/x
  3. Step 3: Cross multiply
    504,872.25x = 696,722.78 × 275,429.55
  4. Step 4: Simplify right side
    504,872.25x = 191,898,040,393.00
  5. Step 5: Solve for x
    x = 191,898,040,393.00/504,872.25
  6. Step 6: Final answer
    x = 380,092.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.